Panel (10) for soundproofing aircraft interiors comprising a first and a second layer (11, 12) and an intermediate layer (16) of damping material placed between the first and second layer (11, 12) along a neutral axis (N) of the soundproofing panel (10). The first and the second layer (11, 12) each comprising a structural layer (14) and a surface layer (13) placed on the opposite side to the intermediate layer (16) and connected thereto, adhering continuously by means of an adhesive layer (15), the intermediate layer (16) extends for the entire area of the panel (10) and is connected to the structural layers (14) of the first and second layer (11, 12). The intermediate layer (16) comprises a polymer foam material having a uniform thickness less than 2 mm and weight of less than 1.2 kg/m2.
MULTILAYER PANEL FOR SOUNDPROOFING AIRCRAFT INTERIORS
MEHRSCHICHTPLATTE ZUR SCHALLDÄMPFUNG VON FLUGZEUGINNENRÄUMEN
PANNEAU MULTICOUCHE POUR INSONORISER DES INTÉRIEURS D'AÉRONEF
2021-06-02
Patent
Elektronische Ressource
Englisch
IPC: | G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B64C AEROPLANES , Flugzeuge |
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